Hydraulic Radius of a Pipe

on . Posted in Fluid Dynamics

hydraulic radius of a pipe more than half 1hydraulic radius of a pipe less than half 1Hydraulic radius, abbreviated as \(r_h\), is the area cross-section of water in a pipe or channel divided by the wetting perimeter.

 

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Hydraulic radius of a Pipe formula

\(\large{ r_h =  \frac  {  A_c }  { P_w }   }\) 
Symbol English Metric
\(\large{ r_h }\) = hydraulic radius \(\large{ in }\) \(\large{ mm }\)
\(\large{ A_c }\) = area cross-section of flow \(\large{ in^2 }\) \(\large{ mm^2 }\)
\(\large{ P_w }\) = wetting perimeter \(\large{ in }\) \(\large{ mm }\)

 

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Tags: Pipe Equations Hydraulic Equations